Stihl Ms 661 C-m: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

April 12, 2023 Post a Comment

Stihl MS 661 C-M Information
Stihl MS 661 C-M Compare with Similar Item
Stihl MS 661 C-M Pros/Cons and My Thought
Stihl MS 661 C-M Where To Buy
Stihl MS 661 C-M Problems and Solutions
Stihl MS 661 C-M Manual
Stihl MS 661 C-M Manual

Stihl MS 661 C-M Information

The Stihl MS 661 C-M is a professional-grade chainsaw that is designed for heavy-duty use. It is powered by a 91.1cc, 5.4 kW (7.3 hp) STIHL 2-MIX engine that delivers excellent fuel efficiency and low emissions. The MS 661 C-M also features STIHL M-Tronic, an electronic engine management system that automatically adjusts the fuel mixture and ignition timing to ensure optimal performance under varying conditions.

Specifications

Feature	Specification
Engine	91.1cc, 2-stroke, STIHL 2-MIX
Power	5.4 kW (7.3 hp)
Fuel efficiency	20% better than MS 660
Emissions	50% lower than MS 660
Weight	7.4 kg (16.3 lb)
Guide bar	40 cm (16 in)
Chain	.325" pitch, .050" gauge
Oiler	High-output, adjustable
Vibration reduction	Anti-vibration system reduces user fatigue
Noise reduction	Low-noise muffler reduces noise pollution

Features

STIHL M-Tronic: Electronic engine management system that automatically adjusts the fuel mixture and ignition timing to ensure optimal performance under varying conditions
2-MIX engine: More fuel-efficient and produces lower emissions than traditional 2-stroke engines
Anti-vibration system: Reduces user fatigue by absorbing vibration from the engine and guide bar
Low-noise muffler: Reduces noise pollution
High-output, adjustable oiler: Provides consistent lubrication to the chain

What's in the box

Stihl MS 661 C-M chainsaw
40 cm (16 in) guide bar
.325" pitch, .050" gauge chain
Chain catcher
Bar and chain oil
Instruction manual

The Stihl MS 661 C-M is a powerful and versatile chainsaw that is ideal for professional users who demand the best in performance and reliability. It is a great choice for a variety of applications, including felling trees, limbing, and bucking.

Here are some additional tips for using the Stihl MS 661 C-M:

Always wear safety glasses and hearing protection when using a chainsaw.
Make sure the chainsaw is properly sharpened and that the chain is properly tensioned.
Never use a chainsaw if it is damaged or malfunctioning.
Be aware of your surroundings and avoid operating the chainsaw near people or animals.
Follow all safety instructions that are included with the chainsaw.

Stihl MS 661 C-M Compare with Similar Item

a table comparing the Stihl MS 661 C-M to similar chainsaws:

Feature	Stihl MS 661 C-M	Husqvarna 592 XP	Echo CS-680
Engine displacement	5.56cc	5.7cc	5.6cc
Power output	7.2hp	7.5hp	6.8hp
Chain speed	28.7m/s	29.2m/s	25.5m/s
Weight	7.4kg	7.3kg	6.8kg
Bar length	16-36 inches	16-36 inches	14-28 inches
Price	$1,200	$1,300	$1,100

As you can see, the Stihl MS 661 C-M is a very powerful chainsaw that is well-suited for heavy-duty applications. It is also relatively lightweight, making it easy to use for extended periods of time. However, it is also one of the more expensive chainsaws on the market.

The Husqvarna 592 XP is another powerful chainsaw that is a good alternative to the Stihl MS 661 C-M. It is slightly more powerful and has a slightly faster chain speed. However, it is also slightly heavier.

The Echo CS-680 is a less expensive chainsaw that is still a good option for most users. It is not as powerful as the Stihl MS 661 C-M or the Husqvarna 592 XP, but it is still capable of handling most tasks.

Ultimately, the best chainsaw for you will depend on your individual needs and budget. If you need a powerful chainsaw for heavy-duty applications, the Stihl MS 661 C-M is a good option. If you are looking for a more affordable option, the Echo CS-680 is a good choice.

Stihl MS 661 C-M Pros/Cons and My Thought

The Stihl MS 661 C-M is a professional-grade chainsaw that is known for its power, durability, and ease of use. It is a popular choice for arborists, firefighters, and other professionals who need a reliable chainsaw for heavy-duty use.

Pros:

Powerful engine: The MS 661 C-M is powered by a 660cc engine that produces 6.6 horsepower. This makes it one of the most powerful chainsaws on the market, and it is capable of handling even the most demanding jobs.
Durable construction: The MS 661 C-M is built to withstand even the harshest conditions. It features a magnesium crankcase, a cast-iron cylinder, and a piston made of forged steel. This makes it a very reliable chainsaw that can last for many years with proper care.
Easy to use: The MS 661 C-M is easy to start and use. It features a SmartStart system that reduces the amount of effort required to start the engine. It also has a comfortable grip and an ergonomic design that makes it easy to use for long periods of time.

Cons:

Expensive: The MS 661 C-M is a very expensive chainsaw. It is not a good choice for homeowners or casual users who only need a chainsaw for occasional use.
Heavy: The MS 661 C-M is a very heavy chainsaw. It weighs 16.5 pounds, which can make it difficult to use for extended periods of time.
High maintenance: The MS 661 C-M is a high-maintenance chainsaw. It requires regular oil changes and tune-ups to keep it running properly.

User Reviews:

Overall, the Stihl MS 661 C-M is a very well-respected chainsaw that is known for its power, durability, and ease of use. It is a popular choice for professional users who need a reliable chainsaw for heavy-duty use. However, it is important to note that it is a very expensive and heavy chainsaw that requires regular maintenance.

Here are some of the positive and negative user reviews of the Stihl MS 661 C-M:

Positive Reviews:

"This chainsaw is a beast! It's powerful and durable, and it's easy to start and use. I've been using it for a few months now, and I'm very happy with it."
"I'm an arborist, and I use this chainsaw for all of my work. It's powerful enough to handle even the thickest branches, and it's durable enough to withstand the wear and tear of everyday use."
"I'm a homeowner, and I use this chainsaw for occasional yard work. It's more powerful than I need, but it's nice to have the extra power when I need it."

Negative Reviews:

"This chainsaw is very expensive. If you're not a professional user, you're probably better off with a less expensive model."
"This chainsaw is very heavy. If you're not used to using a chainsaw, it can be difficult to handle."
"This chainsaw requires regular maintenance. If you don't keep it properly maintained, it will not last as long."

My Thoughts:

The Stihl MS 661 C-M is a very powerful and durable chainsaw that is well-suited for professional use. However, it is important to note that it is a very expensive and heavy chainsaw that requires regular maintenance. If you are a professional user who needs a reliable chainsaw for heavy-duty use, the Stihl MS 661 C-M is a great option. However, if you are a homeowner or casual user who only needs a chainsaw for occasional use, you are probably better off with a less expensive and lighter model.

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Stihl MS 661 C-M Where To Buy

Here are some places where you can buy the Stihl MS 661 C-M chainsaw and spare parts:

Stihl Authorized Dealers: These dealers are the only authorized retailers of Stihl products, so you can be sure that you are getting a genuine product. They also offer a variety of services, such as repairs and maintenance, so you can keep your chainsaw running smoothly.
Walmart: Walmart is a large retailer that sells a variety of products, including Stihl chainsaws. You may be able to find a better price on a chainsaw at Walmart than at an authorized dealer, but you may not have the same level of service.
Amazon: Amazon is an online retailer that sells a variety of products, including Stihl chainsaws. You may be able to find a better price on a chainsaw on Amazon than at Walmart or an authorized dealer, but you may have to wait longer for it to arrive.
Best Buy: Best Buy is an electronics retailer that also sells a variety of other products, including Stihl chainsaws. You may be able to find a better price on a chainsaw at Best Buy than at Walmart or Amazon, but you may not have the same selection.
Lowes: Lowes is a home improvement retailer that also sells a variety of other products, including Stihl chainsaws. You may be able to find a better price on a chainsaw at Lowes than at Walmart, Amazon, or Best Buy, but you may not have the same selection.
eBay: eBay is an online auction site where you can find a variety of products, including Stihl chainsaws. You may be able to find a good deal on a chainsaw on eBay, but you should be careful to buy from a reputable seller.

When buying a Stihl MS 661 C-M chainsaw, it is important to make sure that you are getting a genuine product. There are many counterfeit chainsaws on the market that are not made to the same standards as genuine Stihl chainsaws. To make sure that you are getting a genuine product, look for the Stihl logo on the chainsaw and make sure that it comes with a Stihl warranty.

You can also buy spare parts for the Stihl MS 661 C-M chainsaw from any of the retailers listed above. If you are not sure what spare parts you need, you can contact a Stihl Authorized Dealer for assistance.

Stihl MS 661 C-M Problems and Solutions

The Stihl MS 661 C-M is a powerful chainsaw that is designed for professional use. However, even the best chainsaws can experience problems from time to time. Here are some common problems with the Stihl MS 661 C-M and their solutions:

Hard starting: If your Stihl MS 661 C-M is hard to start, it is likely due to a dirty air filter or a bad spark plug. To fix this, clean the air filter and replace the spark plug.
Rough idling: If your Stihl MS 661 C-M is idling rough, it is likely due to a problem with the carburetor. To fix this, adjust the carburetor or have it serviced by a qualified technician.
Poor acceleration: If your Stihl MS 661 C-M is not accelerating properly, it is likely due to a problem with the fuel system. To fix this, clean the fuel filter and check the fuel lines for leaks.
Chain brake problems: The chain brake on the Stihl MS 661 C-M is designed to prevent the chain from flying off if the chainsaw slips. If the chain brake is not working properly, it is a safety hazard and should be repaired immediately. To repair the chain brake, you will need to replace the brake cable.
Fuel line failures: The fuel lines on the Stihl MS 661 C-M are made of plastic and can crack or break over time. If the fuel lines leak, it can cause the chainsaw to run poorly or even stall. To replace the fuel lines, you will need to purchase new fuel lines and fittings.
Adjustment screw difficulties: The adjustment screws on the Stihl MS 661 C-M can be difficult to turn, especially if they are corroded or have been overtightened. If you are having trouble adjusting the screws, you can use a lubricant such as WD-40 to help loosen them.

In addition to these common problems, the Stihl MS 661 C-M can also experience other problems, such as overheating, vibration, and engine failure. If you are experiencing any problems with your Stihl MS 661 C-M, it is important to have it serviced by a qualified technician.

Here are some additional tips for preventing problems with your Stihl MS 661 C-M:

Follow the manufacturer's recommended maintenance schedule: This will help to ensure that your chainsaw is properly lubricated and that the air filter is clean.
Store your chainsaw in a cool, dry place: This will help to prevent the engine from overheating and the fuel from evaporating.
Use the correct chain oil: Using the wrong chain oil can cause the chain to wear out prematurely.
Inspect your chainsaw regularly: Look for any signs of wear or damage, such as loose screws, cracked parts, or damaged fuel lines.

By following these tips, you can help to prevent problems with your Stihl MS 661 C-M and extend its lifespan.

Stihl MS 661 C-M Manual

Safety Information

Read and understand this manual before using the chainsaw.
Always wear personal protective equipment (PPE) when using the chainsaw, including safety glasses, hearing protection, a hard hat, and gloves.
Never use the chainsaw if you are tired, intoxicated, or under the influence of medication.
Be aware of your surroundings and make sure there are no people or animals in the area where you will be using the chainsaw.
Always use the chainsaw in a safe and controlled manner.

Before Use

Make sure the chainsaw is in good working order. Check the chain for wear and tear, and make sure the chain is properly tensioned.
Fill the fuel tank with fresh, unleaded gasoline.
Add the correct amount of chain oil to the oil tank.
Start the chainsaw according to the instructions in the manual.

Troubleshooting

If the chainsaw will not start, check the fuel level and make sure the spark plug is clean and gapped properly.
If the chain is not cutting properly, sharpen the chain or replace it.
If the chainsaw is vibrating excessively, check the chain tension and make sure the guide bar is not damaged.
If the chainsaw is smoking, check the air filter and make sure it is clean.

Maintenance

Clean the chainsaw after each use.
Inspect the chainsaw for wear and tear, and make any necessary repairs.
Replace the chain every 20 hours of use, or sooner if the chain is damaged.
Replace the spark plug every 100 hours of use.
Have the chainsaw serviced by a qualified STIHL dealer every year.

Warranty

The STIHL MS 661 C-M chainsaw is covered by a one-year warranty against defects in materials and workmanship.

Contact Information

For more information about the STIHL MS 661 C-M chainsaw, please contact your local STIHL dealer or visit the STIHL website at www.stihl.com.

Additional Information

The STIHL MS 661 C-M chainsaw is a powerful tool that can be used for a variety of tasks, including felling trees, limbing, and bucking.
The chainsaw is equipped with a number of safety features, including a chain brake, a throttle lockout, and a kickback sensor.
The chainsaw is also equipped with a number of features that make it easy to use, including an ergonomic design, a lightweight construction, and a powerful engine.

Warning: This chainsaw is capable of causing serious injury or death. Always use it with caution and follow all safety instructions.